Polished Tiger Iron slab TI364 stripey jasper Dimensions at widest points approximately

Dimensions at widest points approximately 210 mm x 160 mm x 100 mm thick

Under shortwave UV light it fluoresces a deep red colour

Lovely specimen

The green colour usually derives from minor mineral content

Weighs:  299 grams

Polished Tiger Iron slab TI364 stripey jasper Dimensions at widest points approximatelyTI364 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 105 mm x 7 mm thick. Weighs: 262 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and chatoyant golden tiger eye.